diff options
Diffstat (limited to 'plugins/!NotAdopted/IMO2sProxy/src/common/cJSON.c')
| -rw-r--r-- | plugins/!NotAdopted/IMO2sProxy/src/common/cJSON.c | 365 |
1 files changed, 365 insertions, 0 deletions
diff --git a/plugins/!NotAdopted/IMO2sProxy/src/common/cJSON.c b/plugins/!NotAdopted/IMO2sProxy/src/common/cJSON.c new file mode 100644 index 0000000000..72f35f6117 --- /dev/null +++ b/plugins/!NotAdopted/IMO2sProxy/src/common/cJSON.c @@ -0,0 +1,365 @@ +/*
+ Copyright (c) 2009 Dave Gamble
+
+ Permission is hereby granted, free of charge, to any person obtaining a copy
+ of this software and associated documentation files (the "Software"), to deal
+ in the Software without restriction, including without limitation the rights
+ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ copies of the Software, and to permit persons to whom the Software is
+ furnished to do so, subject to the following conditions:
+
+ The above copyright notice and this permission notice shall be included in
+ all copies or substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ THE SOFTWARE.
+*/
+
+// cJSON
+// JSON parser in C.
+
+#include <string.h>
+#include <stdio.h>
+#include <math.h>
+#include <stdlib.h>
+#include <float.h>
+#include "cJSON.h"
+#ifdef WIN32
+#define strcasecmp stricmp
+#endif
+
+// Internal constructor.
+static cJSON *cJSON_New_Item() { return (cJSON*)calloc(sizeof(cJSON),1); }
+
+// Delete a cJSON structure.
+void cJSON_Delete(cJSON *c)
+{
+ cJSON *next;
+ while (c)
+ {
+ next=c->next;
+ if (c->child) cJSON_Delete(c->child);
+ if (c->valuestring) free(c->valuestring);
+ if (c->string) free(c->string);
+ free(c);
+ c=next;
+ }
+}
+
+// Parse the input text to generate a number, and populate the result into item.
+static const char *parse_number(cJSON *item,const char *num)
+{
+ double n=0,sign=1,scale=0;int subscale=0,signsubscale=1;
+
+ // Could use sscanf for this?
+ if (*num=='-') sign=-1,num++; // Has sign?
+ if (*num=='0') num++; // is zero
+ if (*num>='1' && *num<='9') do n=(n*10.0)+(*num++ -'0'); while (*num>='0' && *num<='9'); // Number?
+ if (*num=='.') {num++; do n=(n*10.0)+(*num++ -'0'),scale--; while (*num>='0' && *num<='9');} // Fractional part?
+ if (*num=='e' || *num=='E') // Exponent?
+ { num++;if (*num=='+') num++; else if (*num=='-') signsubscale=-1,num++; // With sign?
+ while (*num>='0' && *num<='9') subscale=(subscale*10)+(*num++ - '0'); // Number?
+ }
+
+ n=sign*n*pow(10.0,(scale+subscale*signsubscale)); // number = +/- number.fraction * 10^+/- exponent
+
+ item->valuedouble=n;
+ item->valueint=(int)n;
+ item->type=cJSON_Number;
+ return num;
+}
+
+// Render the number nicely from the given item into a string.
+static char *print_number(cJSON *item)
+{
+ char *str;
+ double d=item->valuedouble;
+ if (fabs(((double)item->valueint)-d)<=DBL_EPSILON)
+ {
+ str=malloc(21); // 2^64+1 can be represented in 21 chars.
+ sprintf(str,"%d",item->valueint);
+ }
+ else
+ {
+ str=malloc(64); // This is a nice tradeoff.
+ if (fabs(d)<1.0e-6 || fabs(d)>1.0e9) sprintf(str,"%e",d);
+ else sprintf(str,"%f",d);
+ }
+ return str;
+}
+
+// Parse the input text into an unescaped cstring, and populate item.
+static const unsigned char firstByteMark[7] = { 0x00, 0x00, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC };
+static const char *parse_string(cJSON *item,const char *str)
+{
+ const unsigned char *ptr=str+1;
+ unsigned char *ptr2;
+ char *out;int len=0;unsigned uc;
+ if (*str!='\"') return 0; // not a string!
+
+ while (*ptr!='\"' && *ptr>31 && ++len) if (*ptr++ == '\\') ptr++; // Skip escaped quotes.
+
+ out=(char*)malloc(len+1); // This is how long we need for the string, roughly.
+
+ ptr=str+1;ptr2=out;
+ while (*ptr!='\"' && *ptr>31)
+ {
+ if (*ptr!='\\') *ptr2++=*ptr++;
+ else
+ {
+ ptr++;
+ switch (*ptr)
+ {
+ case 'b': *ptr2++='\b'; break;
+ case 'f': *ptr2++='\f'; break;
+ case 'n': *ptr2++='\n'; break;
+ case 'r': *ptr2++='\r'; break;
+ case 't': *ptr2++='\t'; break;
+ case 'u': // transcode utf16 to utf8. DOES NOT SUPPORT SURROGATE PAIRS CORRECTLY.
+ sscanf(ptr+1,"%4x",&uc); // get the unicode char.
+ len=3;if (uc<0x80) len=1;else if (uc<0x800) len=2;ptr2+=len;
+
+ switch (len) {
+ case 3: *--ptr2 =((uc | 0x80) & 0xBF); uc >>= 6;
+ case 2: *--ptr2 =((uc | 0x80) & 0xBF); uc >>= 6;
+ case 1: *--ptr2 =(uc | firstByteMark[len]);
+ }
+ ptr2+=len;ptr+=4;
+ break;
+ default: *ptr2++=*ptr; break;
+ }
+ ptr++;
+ }
+ }
+ *ptr2=0;
+ if (*ptr=='\"') ptr++;
+ item->valuestring=out;
+ item->type=cJSON_String;
+ return ptr;
+}
+
+// Render the cstring provided to an escaped version that can be printed.
+static char *print_string_ptr(const char *str)
+{
+ const unsigned char *ptr; unsigned char *ptr2,*out;int len=0;
+
+ ptr=str;while (*ptr && ++len) {if (*ptr<32 || *ptr=='\"' || *ptr=='\\') len++;ptr++;}
+
+ out=(char*)malloc(len+3);
+ ptr2=out;ptr=str;
+ *ptr2++='\"';
+ while (*ptr)
+ {
+ if (*ptr>31 && *ptr!='\"' && *ptr!='\\') *ptr2++=*ptr++;
+ else
+ {
+ *ptr2++='\\';
+ switch (*ptr++)
+ {
+ case '\\': *ptr2++='\\'; break;
+ case '\"': *ptr2++='\"'; break;
+ case '\b': *ptr2++='b'; break;
+ case '\f': *ptr2++='f'; break;
+ case '\n': *ptr2++='n'; break;
+ case '\r': *ptr2++='r'; break;
+ case '\t': *ptr2++='t'; break;
+ default: ptr2--; break; // eviscerate with prejudice.
+ }
+ }
+ }
+ *ptr2++='\"';*ptr2++=0;
+ return out;
+}
+// Invote print_string_ptr (which is useful) on an item.
+static char *print_string(cJSON *item) {return print_string_ptr(item->valuestring);}
+
+// Predeclare these prototypes.
+static const char *parse_value(cJSON *item,const char *value);
+static char *print_value(cJSON *item,int depth);
+static const char *parse_array(cJSON *item,const char *value);
+static char *print_array(cJSON *item,int depth);
+static const char *parse_object(cJSON *item,const char *value);
+static char *print_object(cJSON *item,int depth);
+
+// Parse an object - create a new root, and populate.
+cJSON *cJSON_Parse(const char *value) {cJSON *c=cJSON_New_Item();parse_value(c,value);return c;}
+// Render a cJSON item/entity/structure to text.
+char *cJSON_Print(cJSON *item) {return print_value(item,0);}
+
+// Parser core - when encountering text, process appropriately.
+static const char *parse_value(cJSON *item,const char *value)
+{
+ if (!value) return 0; // Fail on null.
+ if (!strncmp(value,"null",4)) { item->type=cJSON_NULL; return value+4; }
+ if (!strncmp(value,"false",5)) { item->type=cJSON_False; return value+5; }
+ if (!strncmp(value,"true",4)) { item->type=cJSON_True; item->valueint=1; return value+4; }
+ if (*value=='\"') { return parse_string(item,value); }
+ if (*value=='-' || (*value>='0' && *value<='9')) { return parse_number(item,value); }
+ if (*value=='[') { return parse_array(item,value); }
+ if (*value=='{') { return parse_object(item,value); }
+
+ return 0; // failure.
+}
+
+// Render a value to text.
+static char *print_value(cJSON *item,int depth)
+{
+ char *out=0;
+ switch (item->type)
+ {
+ case cJSON_NULL: out=strdup("null"); break;
+ case cJSON_False: out=strdup("false");break;
+ case cJSON_True: out=strdup("true"); break;
+ case cJSON_Number: out=print_number(item);break;
+ case cJSON_String: out=print_string(item);break;
+ case cJSON_Array: out=print_array(item,depth);break;
+ case cJSON_Object: out=print_object(item,depth);break;
+ }
+ return out;
+}
+
+// Utility to jump whitespace and cr/lf
+static const char *skip(const char *in) {while (in && *in<=32) in++; return in;}
+
+// Build an array from input text.
+static const char *parse_array(cJSON *item,const char *value)
+{
+ cJSON *child;
+ if (*value!='[') return 0; // not an array!
+
+ item->type=cJSON_Array;
+ value=skip(value+1);
+ if (*value==']') return value+1; // empty array.
+
+ item->child=child=cJSON_New_Item();
+ value=skip(parse_value(child,skip(value))); // skip any spacing, get the value.
+
+ while (*value==',')
+ {
+ cJSON *new_item;
+ if (!(new_item=cJSON_New_Item())) return 0; // memory fail
+ child->next=new_item;new_item->prev=child;child=new_item;
+ value=skip(parse_value(child,skip(value+1)));
+ }
+
+ if (*value==']') return value+1; // end of array
+ return 0; // malformed.
+}
+
+// Render an array to text
+static char *print_array(cJSON *item,int depth)
+{
+ char *out,*ptr,*ret;int len=5;
+ cJSON *child=item->child;
+
+ out=malloc(len);*out='[';
+ ptr=out+1;*ptr=0;
+ while (child)
+ {
+ ret=print_value(child,depth+1);
+ if (!ret) {free(out);return 0;} // Check for failure!
+ len+=strlen(ret)+3;
+ out=realloc(out,len);
+ ptr=out+strlen(out);
+ ptr+=sprintf(ptr,"%s",ret);
+ if (child->next) {*ptr++=',';*ptr++=' ';*ptr=0;}
+ child=child->next;
+ free(ret);
+ }
+ *ptr++=']';*ptr++=0;
+ return out;
+}
+
+// Build an object from the text.
+static const char *parse_object(cJSON *item,const char *value)
+{
+ cJSON *child;
+ if (*value!='{') return 0; // not an object!
+
+ item->type=cJSON_Object;
+ value=skip(value+1);
+ if (*value=='}') return value+1; // empty array.
+
+ item->child=child=cJSON_New_Item();
+ value=skip(parse_string(child,skip(value)));
+ child->string=child->valuestring;child->valuestring=0;
+ if (*value!=':') return 0; // fail!
+ value=skip(parse_value(child,skip(value+1))); // skip any spacing, get the value.
+
+ while (*value==',')
+ {
+ cJSON *new_item;
+ if (!(new_item=cJSON_New_Item())) return 0; // memory fail
+ child->next=new_item;new_item->prev=child;child=new_item;
+ value=skip(parse_string(child,skip(value+1)));
+ child->string=child->valuestring;child->valuestring=0;
+ if (*value!=':') return 0; // fail!
+ value=skip(parse_value(child,skip(value+1))); // skip any spacing, get the value.
+ }
+
+ if (*value=='}') return value+1; // end of array
+ return 0; // malformed.
+}
+
+// Render an object to text.
+static char *print_object(cJSON *item,int depth)
+{
+ char *out,*ptr,*ret,*str;int len=7;//,i;
+ cJSON *child=item->child;
+
+ depth++;out=malloc(len+depth);*out='{';
+ ptr=out+1;*ptr++=' ';*ptr=0;
+ while (child)
+ {
+ str=print_string_ptr(child->string);
+ if (!str) {free(out);return 0;}
+ ret=print_value(child,depth);
+ if (!ret) {free(out);return 0;} // Check for failure!
+ len+=strlen(ret)+strlen(str)+4+depth;
+ out=realloc(out,len);
+ ptr=out+strlen(out);
+// for (i=0;i<depth;i++) *ptr++='\t';
+ ptr+=sprintf(ptr,"%s",str);
+ *ptr++=':';*ptr++=' ';
+ ptr+=sprintf(ptr,"%s",ret);
+ if (child->next) *ptr++=',';
+ *ptr++=' ';*ptr=0;
+ child=child->next;
+ free(str);free(ret);
+ }
+// for (i=0;i<depth-1;i++) *ptr++='\t';
+ *ptr++='}';*ptr++=0;
+ return out;
+}
+
+// Get Array size/item / object item.
+int cJSON_GetArraySize(cJSON *array) {cJSON *c=array->child;int i=0;while(c)i++,c=c->next;return i;}
+cJSON *cJSON_GetArrayItem(cJSON *array,int item) {cJSON *c=array->child; while (c && item) item--,c=c->next; return c;}
+cJSON *cJSON_GetObjectItem(cJSON *object,const char *string) {cJSON *c=object->child; while (c && strcasecmp(c->string,string)) c=c->next; return c;}
+
+// Utility for array list handling.
+static void suffix_object(cJSON *prev,cJSON *item) {prev->next=item;item->prev=prev;}
+
+// Add item to array/object.
+void cJSON_AddItemToArray(cJSON *array, cJSON *item) {cJSON *c=array->child;if (!c) {array->child=item;} else {while (c && c->next) c=c->next; suffix_object(c,item);}}
+void cJSON_AddItemToObject(cJSON *object,const char *string,cJSON *item) {if (item->string) free(item->string);item->string=strdup(string);cJSON_AddItemToArray(object,item);}
+
+// Create basic types:
+cJSON *cJSON_CreateNull() {cJSON *item=cJSON_New_Item();item->type=cJSON_NULL;return item;}
+cJSON *cJSON_CreateTrue() {cJSON *item=cJSON_New_Item();item->type=cJSON_True;return item;}
+cJSON *cJSON_CreateFalse() {cJSON *item=cJSON_New_Item();item->type=cJSON_False;return item;}
+cJSON *cJSON_CreateNumber(double num) {cJSON *item=cJSON_New_Item();item->type=cJSON_Number;item->valuedouble=num;item->valueint=(int)num;return item;}
+cJSON *cJSON_CreateString(const char *string) {cJSON *item=cJSON_New_Item();item->type=cJSON_String;item->valuestring=strdup(string);return item;}
+cJSON *cJSON_CreateArray() {cJSON *item=cJSON_New_Item();item->type=cJSON_Array;return item;}
+cJSON *cJSON_CreateObject() {cJSON *item=cJSON_New_Item();item->type=cJSON_Object;return item;}
+
+// Create Arrays:
+cJSON *cJSON_CreateIntArray(int *numbers,int count) {int i;cJSON *n=0,*p=0,*a=cJSON_CreateArray();for(i=0;i<count;i++){n=cJSON_CreateNumber(numbers[i]);if(!i)a->child=n;else suffix_object(p,n);p=n;}return a;}
+cJSON *cJSON_CreateFloatArray(float *numbers,int count) {int i;cJSON *n=0,*p=0,*a=cJSON_CreateArray();for(i=0;i<count;i++){n=cJSON_CreateNumber(numbers[i]);if(!i)a->child=n;else suffix_object(p,n);p=n;}return a;}
+cJSON *cJSON_CreateDoubleArray(double *numbers,int count) {int i;cJSON *n=0,*p=0,*a=cJSON_CreateArray();for(i=0;i<count;i++){n=cJSON_CreateNumber(numbers[i]);if(!i)a->child=n;else suffix_object(p,n);p=n;}return a;}
+cJSON *cJSON_CreateStringArray(const char **strings,int count) {int i;cJSON *n=0,*p=0,*a=cJSON_CreateArray();for(i=0;i<count;i++){n=cJSON_CreateString(strings[i]);if(!i)a->child=n;else suffix_object(p,n);p=n;}return a;}
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